1) Media franchise 2) Visual novel 
==TV Series Plot== High-school student Sora Hashiba was hospitalized after falling from the fourth floor of the school building. On his first night back in the dormitory, he wakes to find a strange boy addressing him by the name `Yoru`. The stranger identifies himself as `Ran` and says he`s Sora`s new roommate. The next day, Sora`s childhoo...